Deloule, Étienne In-situ U-Pb zircon ages for Early Ordovician magmatism in the eastern Pyrenees, France: the Canigou orthogneisses - Berlin Springer-Verlag Mayo-2002 - pp. 398-405 ilus., tbl. Subjects--Topical Terms: DATACION U-PBMAGMATISMOORDOVICICOORTOGNEIS Subjects--Geographic Terms: FRANCIAPIRINEOS Subjects--Index Terms: OROGENIA VARISCANA